Читать книгу Food Chemistry - Dennis D. Miller - Страница 21

1 Citric acid, monohydrate. MW = 210 g mole−1

2 KOH, 0.5 N

3 HCl, 0.5 N

4 HCl, 0.001 N

5 Sprite® (Coca Cola Company) or comparable lemon‐flavored soda

6 Selected vegetables, e.g. fresh and canned tomatoes

7 Calibration buffers, pH 2 and 4